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author | Brandon Millman <brandon.millman@gmail.com> | 2018-06-06 06:37:51 +0800 |
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committer | Brandon Millman <brandon.millman@gmail.com> | 2018-06-06 06:37:51 +0800 |
commit | afcb7f00da247f03782624e4694061325d53bb55 (patch) | |
tree | 479452e0cb71dd2c31e6eb5b60a3594ea3b18bcd /packages/website/ts/components/portal/portal.tsx | |
parent | e1b06bfce26c286b265ef47948216f9e4097477f (diff) | |
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Move prices into portal
Diffstat (limited to 'packages/website/ts/components/portal/portal.tsx')
-rw-r--r-- | packages/website/ts/components/portal/portal.tsx | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/packages/website/ts/components/portal/portal.tsx b/packages/website/ts/components/portal/portal.tsx index 9aa83546a..90d45208f 100644 --- a/packages/website/ts/components/portal/portal.tsx +++ b/packages/website/ts/components/portal/portal.tsx @@ -34,6 +34,7 @@ import { Dispatcher } from 'ts/redux/dispatcher'; import { BlockchainErrs, HashData, + ItemByAddress, Order, ProviderType, ScreenWidths, @@ -43,6 +44,7 @@ import { TokenVisibility, WebsitePaths, } from 'ts/types'; +import { backendClient } from 'ts/utils/backend_client'; import { configs } from 'ts/utils/configs'; import { constants } from 'ts/utils/constants'; import { orderParser } from 'ts/utils/order_parser'; @@ -587,6 +589,7 @@ export class Portal extends React.Component<PortalProps, PortalState> { return this._blockchain.getTokenBalanceAndAllowanceAsync(userAddressIfExists, tokenAddress); }), ); + const priceByAddress = await this._getPriceByAddressAsync(tokenAddresses); for (let i = 0; i < tokenAddresses.length; i++) { // Order is preserved in Promise.all const [balance, allowance] = balancesAndAllowances[i]; @@ -595,6 +598,7 @@ export class Portal extends React.Component<PortalProps, PortalState> { balance, allowance, isLoaded: true, + price: priceByAddress[tokenAddress], }; } this.setState({ @@ -602,6 +606,34 @@ export class Portal extends React.Component<PortalProps, PortalState> { }); } + private async _getPriceByAddressAsync(tokenAddresses: string[]): Promise<ItemByAddress<BigNumber>> { + if (_.isEmpty(tokenAddresses)) { + return {}; + } + // for each input token address, search for the corresponding symbol in this.props.tokenByAddress, if it exists + // create a mapping from existing symbols -> address + const tokenAddressBySymbol: { [symbol: string]: string } = {}; + _.each(tokenAddresses, address => { + const tokenIfExists = _.get(this.props.tokenByAddress, address); + if (!_.isUndefined(tokenIfExists)) { + const symbol = tokenIfExists.symbol; + tokenAddressBySymbol[symbol] = address; + } + }); + const tokenSymbols = _.keys(tokenAddressBySymbol); + try { + const priceBySymbol = await backendClient.getPriceInfoAsync(tokenSymbols); + const priceByAddress = _.mapKeys(priceBySymbol, (value, symbol) => _.get(tokenAddressBySymbol, symbol)); + const result = _.mapValues(priceByAddress, price => { + const priceBigNumber = new BigNumber(price); + return priceBigNumber; + }); + return result; + } catch (err) { + return {}; + } + } + private async _refetchTokenStateAsync(tokenAddress: string): Promise<void> { await this._fetchBalancesAndAllowancesAsync([tokenAddress]); } |